package main

import "time"

func main() {
	m := make(map[int]int, 10000000)
	for i := 0; i < 10000000; i++ {
		m[i] = i
	}
	for i := 0; ; i++ {
		delete(m, i)
		m[10000000+i] = i
		time.Sleep(5 * time.Millisecond)
	}
}
